赞
踩
设车载距离xl
每拨等t=(2xl)/(v1+v2)
最后一波要正好到头
- #include<iostream>
- #include<cstdio>
- #include<cstring>
- using namespace std;
-
- int main()
- {
- int n,k;
- double l,v1,v2;
- while(~scanf("%d%lf%lf%lf%d",&n,&l,&v1,&v2,&k))
- {
- int g = n / k + (n % k != 0);
- double a = (v1 + v2)*l/(v1+v2+2*(g-1)*v1);
- double sum = a / v2 + (l-a)/v1;
- printf("%.10f\n",sum);
- }
- return 0;
- }

Copyright © 2003-2013 www.wpsshop.cn 版权所有,并保留所有权利。